Athletics event (6,4)
'athletics event' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for long jump that I've seen before include "Field event combining speed and agility" , "Olympic field event in which Greg Rutherford won gold in 2012" , "Sand-pit leap" , "Athletics event" .)
(Other definitions for pole vault that I've seen before include "Sergey Bubka was world champion at this event" , "Olympic field event" , "Field event -- value plot (anag)" , "High-flying Olympic event" , "Athletic event" .)
'athletics event' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for triple jump that I've seen before include "Athletic event" , "Athletics event" , "Three-step event" .)